CN219141456U - Electromagnetic heating type push plate kiln - Google Patents
Electromagnetic heating type push plate kiln Download PDFInfo
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- CN219141456U CN219141456U CN202223239405.XU CN202223239405U CN219141456U CN 219141456 U CN219141456 U CN 219141456U CN 202223239405 U CN202223239405 U CN 202223239405U CN 219141456 U CN219141456 U CN 219141456U
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Abstract
The utility model discloses an electromagnetic heating type push plate kiln, which comprises the following components: the heat preservation unit consists of a supporting frame, a heat insulation layer and a heat preservation layer; the heating unit is arranged in the heat preservation unit and comprises a heating cavity and a magnetic resistance generator arranged in the heating cavity; and the reaction unit is arranged inside the heating unit and comprises a reaction chamber, and an electromagnetic induction heating component and a reaction zone which are arranged in the reaction chamber. According to the utility model, the heating mode of the push plate kiln is modified, indirect heating is changed into indirect and direct double heating, the heat utilization efficiency is improved, the unit energy consumption of a product is reduced, and the push plate kiln is convenient to install and simple to maintain.
Description
Technical Field
The utility model relates to the technical field of pushed slab kilns, in particular to an electromagnetic heating pushed slab kiln.
Background
The push plate kiln is a common device in the fields of chemical industry, metallurgy and the like, is one of the furnace types commonly used in the firing process of alloy, composite materials and the like, and mainly adopts the principle that the alloy and the composite materials react in a kiln cavity through an external indirect heating furnace, the push plate kiln is used for heating the kiln cavity in an indirect heating mode, the outside of the kiln cavity is heated firstly, then heat is transferred to internal heating materials, and the indirect heating mode leads to lower heat utilization rate.
In view of the above, the prior art should be improved to solve the above technical problems in the prior art.
Disclosure of Invention
The utility model mainly aims to provide an electromagnetic heating type pushed slab kiln, which is used for improving a heating mode by reforming the pushed slab kiln without affecting the basic structure and normal use of the pushed slab kiln, and improving indirect heating into indirect and direct double heating, thereby improving the heat utilization efficiency, reducing the unit energy consumption of products, and simultaneously being convenient to install and simple to maintain.
According to one aspect of the present utility model, there is provided an electromagnetic heating pusher kiln comprising: the heat preservation unit consists of a supporting frame, a heat insulation layer and a heat preservation layer; the heating unit is arranged in the heat preservation unit and comprises a heating cavity and a magnetic resistance generator arranged in the heating cavity; and the reaction unit is arranged inside the heating unit and comprises a reaction chamber, and an electromagnetic induction heating component and a reaction zone which are arranged in the reaction chamber.
According to one embodiment of the utility model, the heating chamber is divided into an upper heating chamber and a lower heating chamber, and the magneto resistive generator comprises a first magneto resistive generator and a second magneto resistive generator, the first magneto resistive generator being located in the upper heating chamber, the second magneto resistive generator being located in the lower heating chamber.
According to one embodiment of the utility model, the upper and lower heating chambers are composed of an insulating material and are resistant to high temperatures.
According to one embodiment of the utility model, the material of the reaction chamber is resistant to high temperature.
According to one embodiment of the present utility model, the electromagnetic induction heating element and the reaction area are made of conductors.
According to one embodiment of the utility model, the electromagnetic induction heating component is arranged at the bottom of the reaction chamber, and the bottom of the reaction chamber is also provided with a supporting component.
According to one embodiment of the utility model, the height of the electromagnetic induction heating component is less than or equal to the height of the supporting component.
According to one embodiment of the utility model, the surfaces of the electromagnetic induction heating assembly and the support assembly have chamfers.
According to one embodiment of the utility model, the electromagnetic induction heating component is of a square annular structure.
According to one embodiment of the utility model, the reaction zone is slidable inside and outside the reaction chamber under the influence of external forces.
In the electromagnetic heating type push plate kiln provided by the embodiment of the utility model, the basic structure and normal use of the push plate kiln are not influenced, the heating mode of the kiln is changed from indirect heating to indirect and direct double heating, the electromagnetic induction heating component and the reaction zone are both arranged in the reaction chamber, the heat utilization efficiency is obviously improved, the energy cost can be effectively reduced, the local temperature of the kiln body is prevented from being too high, the equipment failure rate is reduced, the maintenance cost is reduced, and meanwhile, the original structure of the push plate kiln is not changed, so that the device has stronger adaptability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 illustrates a schematic diagram of an electromagnetic heated pusher kiln in accordance with an exemplary embodiment of the present utility model;
FIG. 2 shows a schematic view of the bottom of a reaction chamber according to an exemplary embodiment of the utility model;
fig. 3 shows a schematic diagram of an electromagnetic heating pusher kiln of the prior art.
Reference numerals in the drawings are explained as follows:
1-a heat preservation unit; 2-an upper heating chamber; 3-a lower heating chamber; 4-a first magneto resistance generator; 5-a second magneto resistance generator; 6-a reaction chamber; 7-an electromagnetic induction heating component; 8-a reaction zone; 9-a support assembly; 10-an electromagnetic heating type push plate kiln; 11-electric heater.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 and 2, the present utility model provides an electromagnetically heated pusher kiln 10. The electromagnetic heating pusher kiln 10 of the present utility model comprises: the heat preservation unit 1 is composed of a supporting frame, a heat insulation layer and a heat preservation layer;
the heating unit is arranged inside the heat preservation unit 1 and comprises a heating cavity and a magnetic resistance generator arranged in the heating cavity; and
the reaction unit is arranged inside the heating unit and comprises a reaction chamber 6, and an electromagnetic induction heating component 7 and a reaction zone 8 which are arranged in the reaction chamber 6.
In the electromagnetic heating type pusher kiln 10 according to the embodiment of the utility model, the first magneto-resistance generator 4 and the second magneto-resistance generator 5 are fixedly arranged in the upper heating chamber 2 and the lower heating chamber 3, the electromagnetic heating component is fixed at the supporting component 9 at the bottom of the reaction chamber 6, the reaction zone 8 is arranged in the reaction chamber 6, external current is changed into low voltage and high current output through the transformer and enters the magneto-resistance generator, the first magneto-resistance generator 4 and the second magneto-resistance generator 5 form an alternating magnetic field, the reaction zone 8 and the electromagnetic induction heating component 7 generate eddy current under the action of the alternating magnetic field, carriers in a conductor are driven to move by the eddy current, and the joule effect of the eddy current can improve the temperature of the conductor, so that the electromagnetic induction heating component 7 and the reaction zone 8 generate heat.
The thermal insulation unit 1 comprises a support frame, which may be square, rectangular, cylindrical or any suitable three-dimensional shape that can be used as a frame, typically made of a metal structure, for fixing the insulation layer and the thermal insulation layer.
In some embodiments, the insulating layer is refractory brick and the insulating layer is insulating cotton. The refractory bricks are used as main heat insulation components, and silicon nitride or magnesium aluminum composite refractory bricks can be selected according to the production process requirements. The thickness of the refractory brick is determined according to the service environment temperature and the heat transfer coefficient of the material. The heat preservation cotton is attached to the surface of the built refractory brick, and the heat preservation cotton is made of silicate, mortar or foamed plastic.
The heating chamber is divided into an upper heating chamber 2 and a lower heating chamber 3, the upper heating chamber 2 and the lower heating chamber 3 are mainly used for installing a magnetic resistance generator, the magnetic resistance generator comprises a first magnetic resistance generator 4 and a second magnetic resistance generator 5, the first magnetic resistance generator 4 is located in the upper heating chamber 2, and the second magnetic resistance generator 5 is located in the lower heating chamber 3. The materials used in the upper heating chamber 2 and the lower heating chamber 3 need to have the properties of insulation, high temperature resistance and the like, can bear a certain load, and can be made of composite refractory materials such as silicon nitride, fused magnesia bricks and the like according to the process requirements.
The reaction chamber 6 is mainly used for improving the reaction environment of materials, the materials placed in the reaction zone 8 react in the reaction chamber 6, a large amount of heat is generally required to be absorbed, and other gas substances (including gaseous metal ions in a high temperature state and the like) can be generated at the same time, so that the reaction chamber 6 should be selected according to a specific production process, and has the properties of insulation, high temperature resistance, impact resistance and the like.
The electromagnetic induction heating component 7 is made of a conductor, is fixedly arranged at the bottom of the reaction chamber 6, is in a square annular structure, and is a strip-shaped supporting component 9 with the height of the electromagnetic induction heating component 7 being less than or equal to the bottom of the reaction chamber 6. The electromagnetic induction heating component 7 generates eddy current under the action of alternating magnetic field, and the current generates heat after passing through the conductor, so that the electromagnetic induction heating component 7 fully considers conductivity, heating effect and high temperature resistance, meanwhile, as the heating component is positioned in the reaction chamber 6, the corrosion resistance of the heating component is considered according to the production process, a metal composite material or a carbon-based material can be selected, and meanwhile, a high temperature resistant material such as a copper-carbon alloy or a copper-carbon-tungsten-zirconium alloy is added.
The reaction zone 8 is conveyed into the reaction chamber 6 under the action of external force, and the external force comprises a thrust device which can provide external force, such as hydraulic force, mechanical force, pneumatic force and the like. In order that the reaction zone 8 can slide smoothly in the reaction chamber 6 under the action of external force, the upper part of the electromagnetic induction heating component 7 and the strip-shaped supporting component 9 should be provided with a certain chamfer when in processing, so that the reaction zone 8 is prevented from being blocked. In some embodiments, the reaction zone 8 is a reaction crucible.
The reaction materials are placed in the reaction zone 8, the reaction zone 8 is conveyed into the reaction chamber 6 under the action of external force, and the reaction zone 8 can be used as a heating element besides being used for containing the materials. The reaction area 8 generates eddy current under the action of alternating magnetic field, and the current generates heat after passing through the conductor, so that the reaction area 8 of the electromagnetic heating type pusher kiln 10 should fully consider conductivity, heating effect and high temperature resistance, and should have certain shock resistance and corrosion resistance according to external thrust and material reaction technology. The reaction area 8 can be made of metal composite material or carbon-based material, such as insulating material, and the insulating material can be used to wrap the metal wire.
The magnetic resistance generator is a magnetic field generating device after being electrified, the magnetic resistance generator adopts a multi-layer structure, a magnetic field generating coil is arranged in the magnetic resistance generator, the magnetic field generating coil is wrapped by a composite material, and a layer of insulating material is wrapped outside the composite material. In the use process of the magneto-resistance generator, a certain magnetic field is generated while heating, and the electromagnetic induction heating component 7 and the reaction zone 8 synchronously heat under the action of the magnetic field. Wherein the magnetic field generating coil should have higher temperature, and the copper-zirconium-tungsten alloy material is recommended to be selected; the composite material is made of copper-carbon alloy, and the composite material is made of carbon-zirconium-tungsten alloy at a higher temperature; the external insulating material is made of silicon nitride.
As shown in fig. 3, in the prior art, the basic structure of the pusher kiln comprises a heat preservation unit 1, an upper heating chamber 2, a lower heating chamber 3 and a reaction chamber 6, wherein the upper heating chamber 2 and the lower heating chamber 3 also comprise an electric heater 11. The push plate kiln in the prior art heats the kiln cavity by using the electric heater 11 in an indirect heating mode, and heat is transferred to the interior to heat materials by heating the outside of the kiln cavity, so that the heat utilization rate is low.
The utility model improves the heating mode from indirect heating to indirect and direct double heating by arranging the electromagnetic induction heating component while not affecting the basic structure and normal use of the push plate kiln. After being used for on-site production, through on-site test, the magneto-resistance generator generates about 45% of heat, the reaction crucible generates about 30% of heat, the electromagnetic induction heating component 7 generates about 25% of heat, and because the reaction crucible and the electromagnetic induction heating component 7 are both arranged in the reaction chamber 6, the material heat utilization efficiency is obviously improved, the energy cost can be effectively reduced, the local overhigh temperature of the kiln body is avoided, the equipment failure rate is reduced, the maintenance cost is reduced, and meanwhile, the device does not change the original structure of the push plate kiln, and has stronger adaptability.
The foregoing is an exemplary embodiment of the present disclosure, and the order in which the embodiments of the present disclosure are disclosed is merely for the purpose of description and does not represent the advantages or disadvantages of the embodiments. It should be noted that the above discussion of any of the embodiments is merely exemplary and is not intended to suggest that the scope of the disclosure of embodiments of the utility model (including the claims) is limited to these examples and that various changes and modifications may be made without departing from the scope of the utility model as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Those of ordinary skill in the art will appreciate that: the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the utility model, including the claims, is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of an embodiment of the utility model, and there are many other variations of the different aspects of the embodiments of the utility model as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are made within the spirit and principles of the embodiments of the utility model, are included within the scope of the embodiments of the utility model.
Claims (10)
1. An electromagnetic heating type pusher kiln, comprising:
the heat preservation unit consists of a supporting frame, a heat insulation layer and a heat preservation layer;
the heating unit is arranged in the heat preservation unit and comprises a heating cavity and a magnetic resistance generator arranged in the heating cavity; and
the reaction unit is arranged inside the heating unit and comprises a reaction chamber, and an electromagnetic induction heating component and a reaction zone which are arranged in the reaction chamber.
2. The electromagnetic heating pusher kiln of claim 1, wherein the heating chamber is divided into an upper heating chamber and a lower heating chamber, the magneto resistive generator comprising a first magneto resistive generator and a second magneto resistive generator, the first magneto resistive generator being located in the upper heating chamber and the second magneto resistive generator being located in the lower heating chamber.
3. The electromagnetic heating pusher kiln of claim 2, wherein the upper and lower heating chambers are comprised of an insulating material and are resistant to high temperatures.
4. The electromagnetic heating pusher kiln of claim 1, wherein the material of the reaction chamber is resistant to high temperatures.
5. The electromagnetic heating pusher kiln of claim 1, wherein the electromagnetic induction heating assembly and the reaction zone are conductive.
6. The electromagnetic heating pusher kiln of claim 1, wherein the electromagnetic induction heating assembly is disposed at the bottom of the reaction chamber, and a support assembly is further disposed at the bottom of the reaction chamber.
7. The electromagnetic heating pusher kiln of claim 6, wherein the height of the electromagnetic induction heating assembly is less than or equal to the height of the support assembly.
8. The electromagnetic heating pusher kiln of claim 7, wherein the surfaces of the electromagnetic induction heating assembly and the support assembly have chamfers.
9. The electromagnetic heating pusher kiln of claim 1, wherein the electromagnetic induction heating assembly is a square annular structure.
10. The electromagnetic heating pusher kiln of claim 1, wherein the reaction zone is slidable within and out of the reaction chamber under the influence of an external force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239405.XU CN219141456U (en) | 2022-12-02 | 2022-12-02 | Electromagnetic heating type push plate kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239405.XU CN219141456U (en) | 2022-12-02 | 2022-12-02 | Electromagnetic heating type push plate kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219141456U true CN219141456U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239405.XU Active CN219141456U (en) | 2022-12-02 | 2022-12-02 | Electromagnetic heating type push plate kiln |
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| Country | Link |
|---|---|
| CN (1) | CN219141456U (en) |
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2022
- 2022-12-02 CN CN202223239405.XU patent/CN219141456U/en active Active
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